Malonamide
丙二酰胺
🗣️ 情景例句
A whole day's work.
一整天的成果呀。
I can't believe it.
我不相信。
Where are you staying in Guangzhou? I hear that the hotels there are very expensive.
在广州你打算住在哪儿？我听说那里的旅馆收费很高。